FIX doit for docker/ subdirs

dodo.py

@@ -5,7 +5,7 @@ from doit.tools import LongRunning
 
 from dodo_utils import wait_net_service, wait_pgsql_db, \
         up2date_hasimage, up2date_anyimages, \
-        run_task_func
+        run_task_func, scan_dir
 
 COMPOSE = 'docker-compose -p feedati'
 DOIT_CONFIG = {'default_tasks': ['up']}
@@ -17,8 +17,7 @@ def task_build():
         'uptodate': [up2date_anyimages],
         'file_dep': ['docker-compose.yml',
                      'rss-bridge/Dockerfile',
-                    ] + [os.path.join('docker', fname)
-                         for fname in os.listdir('docker')],
+                     ] + list(scan_dir('docker')),
         'actions': [COMPOSE + ' build'],
         'clean': [run_task_func(task__build_rm),
                   run_task_func(task__build_rmi)],

dodo_utils.py

@@ -1,5 +1,7 @@
 import subprocess
 import time
+import os
+import fnmatch
 
 from doit import loader
 
@@ -105,3 +107,11 @@ def run_task_func(taskf):
     if tasks:
         fun.__doc__ = '\n'.join(t.doc for t in tasks)
     return fun
+
+
+def scan_dir(dirname, extension=None):
+    if extension is None:
+        extension = '*'
+    for root, dirnames, filenames in os.walk(dirname):
+        for fname in fnmatch.filter(filenames, extension):
+            yield os.path.join(root, fname)